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20102222203 = 7172310172719
BaseRepresentation
bin10010101110001011…
…111001000101111011
31220212221212200202021
4102232023321011323
5312132132102303
613122420215311
71311103032550
oct225613710573
956787780667
1020102222203
1185861a9088
123a9023a537
131b84918a4b
14d89ad4a27
157c9c0debd
hex4ae2f917b

20102222203 has 32 divisors (see below), whose sum is σ = 25634672640. Its totient is φ = 15358041600.

The previous prime is 20102222201. The next prime is 20102222209. The reversal of 20102222203 is 30222220102.

It is a cyclic number.

It is not a de Polignac number, because 20102222203 - 21 = 20102222201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20102222201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240078 + ... + 312796.

It is an arithmetic number, because the mean of its divisors is an integer number (801083520).

Almost surely, 220102222203 is an apocalyptic number.

20102222203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20102222203 is a deficient number, since it is larger than the sum of its proper divisors (5532450437).

20102222203 is a wasteful number, since it uses less digits than its factorization.

20102222203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72867.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20102222203 its reverse (30222220102), we get a palindrome (50324442305).

The spelling of 20102222203 in words is "twenty billion, one hundred two million, two hundred twenty-two thousand, two hundred three".

Divisors: 1 7 17 23 101 119 161 391 707 1717 2323 2737 12019 16261 39491 72719 276437 509033 1236223 1672537 7344619 8653561 11707759 28433129 51412333 124858523 168926237 199031903 874009661 1182483659 2871746029 20102222203